Han, Zhi-Qing; Wang, Su-Qin Multiple solutions for nonlinear systems with gyroscopic terms. (English) Zbl 1264.34034 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 75, No. 15, 5756-5764 (2012). Reviewer: Zhiqing Han (Dalian) MSC: 34B15 58E05 PDFBibTeX XMLCite \textit{Z.-Q. Han} and \textit{S.-Q. Wang}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 75, No. 15, 5756--5764 (2012; Zbl 1264.34034) Full Text: DOI
Han, Zhiqing; Wang, Suqin; Yang, Minghai Periodic solutions to second order nonautonomous differential systems with gyroscopic forces. (English) Zbl 1222.34044 Appl. Math. Lett. 24, No. 8, 1343-1346 (2011). MSC: 34C25 58E05 PDFBibTeX XMLCite \textit{Z. Han} et al., Appl. Math. Lett. 24, No. 8, 1343--1346 (2011; Zbl 1222.34044) Full Text: DOI